body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(to bottom, #8A2BE2, #800080); /* Violet to Purple gradient */
  }
  h1{
    color:aliceblue;
  }
  
  .container {
    text-align: center;
  }
  
  .board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-gap: 5px;
    margin-top: 20px;
  }
  
  .cell {
    width: 100px;
    height: 100px;
    border: 2px solid #333;
    font-size: 2em;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: #fff;
  }
  
  .cell:hover {
    background-color: #e0e0e0;
  }
  
  p {
    font-size: 1.2em;
    font-weight: bold;
    margin-top: 10px;
    color: #fff;
  }
  
  button {
    margin-top: 10px;
    padding: 10px;
    font-size: 1em;
    cursor: pointer;
    background-color: #4caf50;
    color: #fff;
    border: none;
    border-radius: 5px;
  }
  
  button:hover {
    background-color: #45a049;
  }
  
  .popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
  }
  
  .popup-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    
  }
  #popup-message{
    color: black;
  }
  .popup button {
    margin-top: 10px;
  }